/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/ShapeInstance.h
NOTE: keep size to a minimum. There can be millions of these in s scene.
class FShapeInstanceExtended : public [Chaos::FShapeInstance](API\Runtime\Chaos\Chaos\FShapeInstance)
FVec3
WorldPosition
FRotation3
WorldRotation
NOTE: FRotation is 16-byte aligned so it goes first.